434.977.2970 RIVANNA SOLID WASTE AUTHORITY 695 Moores Creek Lane Charlottesville, Virginia 22902-9016 434.293.8858 RIVANNA WATER & SEWER AUTHORITY RIVANNA SOLID WASTE AUTHORITY www.rivanna.org RIVANNA WATER & SEWER AUTHORITY MEMORANDUM TO: THE HONORABLE CHARLOTTESVILLE CITY COUNCIL FROM: BILL MAWYER, EXECUTIVE DIRECTOR RIVANNA WATER & SEWER AUTHORITY RIVANNA SOLID WASTE AUTHORITY SUBJECT: QUARTERLY UPDATE DATE: OCTOBER 2021 This quarterly update is to provide general information on the drinking water supply and treatment, wastewater collection and treatment, and solid waste programs managed by the Rivanna Authorities, as follows: 1. Drinking Water Supply as of October 4, 2021: Urban reservoirs (Sugar Hollow, South Rivanna, Ragged Mountain) are in good condition and collectively are 92% full, as we move into our typical fall and winter rainy season. Our most essential urban reservoir, South Rivanna, is 100% full and overflowing. 2. VDEQ Drought Monitoring Report as of September 30, 2021: Conditions are normal in central Virginia. 3. The production of drinking water for the Urban area (Charlottesville and adjacent developed areas of Albemarle) averaged 9.85 million gallons per day (mgd) in September 2021 (FY 2022), which was below the five-year average for September (10.66 mgd), as shown by the following graph: Urban Water Flows 12.00 11.00 Million Gallons Per Day 10.00 9.00 8.00 7.00 6.00 5.00 July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June 5 YR AVG. 10.81 10.48 10.66 9.77 8.57 7.79 7.93 8.28 8.25 8.86 9.51 10.01 FY 2020 10.79 10.62 11.18 10.14 8.59 7.98 8.16 8.39 8.14 7.85 8.39 9.74 FY 2021 10.78 10.10 10.17 9.81 8.94 8.26 8.07 8.35 8.79 9.17 10.26 10.62 FY 2022 11.04 10.98 9.85 4. Urban wastewater flow for September 2021 (10.78 mgd), including flows from Crozet, was slightly above the five-year average for September (10.29 mgd), as shown by the following graph: Urban Wastewater Flows 14.0 13.0 Million Gallons Per Day 12.0 11.0 10.0 9.0 8.0 7.0 6.0 5.0 July Aug. Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May June 5 YR AVG 9.11 10.07 10.29 10.29 10.78 10.63 10.10 11.37 10.19 10.39 10.81 9.64 FY 2020 9.58 9.66 9.48 10.26 9.63 9.38 10.37 10.84 8.99 10.56 9.66 9.19 FY 2021 9.03 10.20 10.10 10.79 11.85 12.75 10.06 11.95 10.67 10.72 9.51 9.27 FY 2022 8.84 9.23 10.78 5. A general overview of significant current and future water and wastewater Capital Improvement Projects is provided below. Costs for these projects are typically shared between the City Utilities Department (48%) and the Albemarle County Service Authority (52%). 2 A. Water Treatment Plant Renovations Scope: Replace equipment which has reached end-of-service life at the South Rivanna and Observatory Water Treatment Plants. Increase water treatment capacity from 7.7 to 10 million gallons per day at the Observatory Water Treatment Plant. Completion: 2020 - 2023 Cost: $43 million B. Exterior Lighting Replacement, Moores Creek Wastewater Treatment Facility Scope: Replace exterior lighting fixtures and poles on the 80-acre facility to improve safety and compliance with Albemarle County lighting requirements. Completion: April 2021 – February 2022 Cost: $0.6 million C. Electrical System Replacement, Moores Creek Wastewater Treatment Facility Scope: Replace major electrical cabling, transformers and motor control centers installed around 1980 which have reached the end of their service lives. Completion: March 2022 – June 2024 Cost: $5 million D. Water Pipe and Pump Stations Replacement, Ragged Mountain Reservoir to Observatory Water Treatment Plant Scope: Replace untreated water pipes and two water pump stations which have reached the end of their service lives or will require significant upgrades to adequately support the increased treatment capacity of the upgraded Observatory Water Treatment Plant. Completion: 2023 - 2027 Cost: $25 million E. Urban Area “Central” Water Pipe Scope: Water piping improvements to increase capacity and maintain pressure in the Urban drinking water system. This five-mile long piping project will extend from the Stadium Road area to the Long / High Street bridge. Completion: 2023 - 2027 Cost: $25 M F. Upper Schenks Branch Wastewater Piping Replacement, Phase II Scope: Replace sewer piping installed in the mid 1950’s in conjunction with the City’s sewer upgrade program to increase system capacity. The new piping will be located along McIntire Road between the McIntire Recycling Center and Preston Avenue. Completion: TBD Cost: $5 million: 100% City G. South Rivanna to Ragged Mountain Reservoir Pipe Scope: Acquire easements and construct a pipe to transfer untreated water between the South Rivanna and Ragged Mountain reservoirs, as required by the Community Water Supply plan completed in 2012. A short section will be constructed from Birdwood to Old Garth Road in 2022 – 2023. Completion: 2027 - 2033 Cost: $80 million: 80% ACSA / 20% City 6. The recycling program at the McIntire Recycling Center and the Paper Sort processing facility continues to be a very popular service for our community. Tonnage from mixed paper, cardboard 3 (including pizza boxes), glass, plastics, metals, compostable food waste and cooking oil continues to increase, as shown below: 7. By increasing the number of days/week the Transfer Station is open, and by lowering the disposal fee from $66/ton to $52/ton, average refuse volume at the Ivy Transfer Station has increased from 105.68 tons per day in September 2019 to 174.03 tons per day in September 2021, as shown below: 4 8. Keene Convenience Center Design is underway for a recycling and bagged residential refuse collection center to be constructed in southern Albemarle County. Completion: January - August 2022 Cost: $1.1 million: 100% Albemarle County Please let me know if you have any questions. cc: RSWA Board of Directors RWSA Board of Directors 5